3^2x3^3
3^3 evaluates to 27
3^2 evaluates to 9
Multiply x and 9
Multiply x and 1
The x just gets copied along.
The answer is x
x
3^2*x evaluates to 9x
Multiply 27 and 9x
Multiply 1 and x
The x just gets copied along.
x
3^2*x*3^3 evaluates to 243x
The final answer is
243x